Overview

overview

10

Static

static

3

630ab459be...18.exe

windows7-x64

10

630ab459be...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118

  • Size

    1.5MB

  • Sample

    240521-my4v1sah36

  • MD5

    630ab459be2675ab53b9a3e4eeba9110

  • SHA1

    77f8b36c24cd0de2dcfe86b96e403bfad9d91112

  • SHA256

    a5a60f5bef193b80117238e77eb20fccf1c72809dbf5af44bc588ab591b41c61

  • SHA512

    33dce0472a05889df913693b80d4002a7dfab036f0201fa38d011cb7d9406146d6f34525023ed24131efa2ad754fad8715eec6359fe47350d1ffb45ca03525ff

  • SSDEEP

    24576:DMy8p4zRy+JVnFog4DMut/u5V43Z1RcMzBPjcqIN/XlMMl/2hsXEjCuokNUxj+w:DMy8WlyoflsMsmjQZ1RcMzBLcqIBu+G2

Score
10/10
buerevasionloaderpersistence

Malware Config

Extracted

Family

buer

C2

http://loaadik01.pro/

http://loaadik02.pro/

Targets

    • Target

      630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118

    • Size

      1.5MB

    • MD5

      630ab459be2675ab53b9a3e4eeba9110

    • SHA1

      77f8b36c24cd0de2dcfe86b96e403bfad9d91112

    • SHA256

      a5a60f5bef193b80117238e77eb20fccf1c72809dbf5af44bc588ab591b41c61

    • SHA512

      33dce0472a05889df913693b80d4002a7dfab036f0201fa38d011cb7d9406146d6f34525023ed24131efa2ad754fad8715eec6359fe47350d1ffb45ca03525ff

    • SSDEEP

      24576:DMy8p4zRy+JVnFog4DMut/u5V43Z1RcMzBPjcqIN/XlMMl/2hsXEjCuokNUxj+w:DMy8WlyoflsMsmjQZ1RcMzBLcqIBu+G2

    Score
    10/10
    buerevasionloaderpersistence

    • Buer

      Buer is a new modular loader first seen in August 2019.

      loaderbuer

    • Buer Loader

      Detects Buer loader in memory or disk.

      loader

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Deletes itself

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks